JPH0426302Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field]

This invention relates to an improvement in the cowl side structure of an automobile.

[Conventional technology]

Conventionally, the cowl side structure to improve the joint rigidity between the front body and the main body was
As already proposed by the present applicant in the Technical Report published by Japan Institute of Invention and Innovation, Technical Report No. 86-1938 (published on February 20, 1985), as shown in Fig. 5, the front pillar 1
an apron top member 2 attached to the front of the vehicle body approximately at the center of the front pillar 1; a reinforcing member 3 attached diagonally between the front pillar 1 and the apron top member 2; There is one that is composed of a rocker panel 4 connected to the lower part of the rocker panel. Further, as disclosed in Japanese Utility Model Application Publication No. 60-24673, the extension part of the front side frame including the extension part connected to the front part of the floor side frame is connected to the side frame outer panel and the side frame inner panel. One constructed by joining has been proposed. Furthermore, as disclosed in Japanese Utility Model Application Publication No. 61-855785, a foil house part, a side plate part, a bottom plate part,
The fender apron rear is integrally equipped with a cowl side, a front side member is welded to the inside surface of the wheel house in the vehicle width direction, a front spring support is welded to the front end, and the rear cowl side On the outside in the vehicle width direction, there is a front underbody that connects the front pillar to the rocker panel to improve the rigidity of the connection to the main body.

[Problem that the invention attempts to solve]

However, in the cowl side structure proposed in the above-mentioned Technical Report 86-1938, the reinforcing member 3 has a closed section structure, so that the front pillar 1 and the apron top member 2 of the reinforcing member 3 are There is a problem in that the shape of the joint portion with the reinforcing member 3 becomes complicated, the welding workability thereof is reduced, and sufficient joint rigidity between the reinforcing member 3 and other members cannot be obtained. Furthermore, since the reinforcing member 3 receives the bending load of the body, its rigidity becomes insufficient. Therefore, there is a problem that the joint rigidity between the front body and the main body cannot be made sufficient. Furthermore, there is a problem in that the provision of the reinforcing member 3 increases the weight of the vehicle. In the front body structure of an automobile proposed in the above-mentioned Japanese Utility Model Publication No. 60-24673, an extension of the front side frame that connects the front side frame and the floor side frame joins the outer panel and the inner panel. Therefore, there are problems in that the configuration becomes complicated and the number of parts and assembly man-hours such as welding increase. The front underbody proposed in the above-mentioned Japanese Utility Model Application Publication No. 61-855785 has a configuration in which the fender apron rear is complicatedly bent, so as with the above, the number of parts and the number of assembly steps such as welding increase. There is a problem.

[Purpose of invention]

This invention was made in view of the above-mentioned conventional problems, and it is possible to simplify the structure, improve the joint rigidity between the front body and the main body, and do not increase the weight of the vehicle. The purpose of the present invention is to provide a cowl side structure for an automobile.

[Means for solving the problem] This invention consists of a front side member arranged in the longitudinal direction of the vehicle on both sides in the width direction of the vehicle in the engine room, and a spring upper end of the front suspension arranged on both sides in the width direction of the vehicle. a rocker panel that is arranged on both sides in the vehicle width direction in the longitudinal direction of the vehicle body and whose front end is connected to the rear end of the front side member; In a cowl side structure of an automobile including a front pillar connected to each other and a cowl side panel disposed on both sides in the width direction of the vehicle body, the cowl side panel is a substantially flat member and is located on the outside of the front side member. The spring support part is provided continuously in the longitudinal direction and the vertical direction of the vehicle body from the setting position to the front pillar, and the side wall of the spring support part extends from the front upper part of the cowl side panel to the front pillar. Formed to protrude toward the room side,
The lower part of the cowl side panel and the front side member inner panel form a closed cross section, and the rear part of the cowl side panel and the front pillar outer panel form a closed cross section.
This aims to achieve the above objectives. Further, in an embodiment of the present invention, the front end of the rocker panel is configured to form a closed cross section from the rocker outer panel and the rear lower part of the cowl side panel, thereby achieving the above object.

[Effect]

In this invention, the cowl side panel, which is a relatively simple member in the shape of a flat plate, provides
Front side member, spring support section,
By integrating the front pillar and the rocker panel, the structure can be simplified and the rigidity of the connection between the front body and the main body can be improved. In particular, the bending load acting on the vehicle body can be borne by the rigidity of the front side member connected to the rocker panel and the in-plane rigidity (in-plane rigidity) of the cowl side panel, further increasing the rigidity of the connection between the front body and the main body. can be improved. This improves the bending rigidity of the vehicle body.
Vibration and noise performance during high-speed running can be improved.

【Example】

Hereinafter, embodiments of this invention will be described with reference to the drawings. In this embodiment, as shown in FIGS. 1 to 4, front side members 1 are disposed in the longitudinal direction of the vehicle body on both sides in the width direction of the vehicle body in the engine room 10.
2, a spring support part 14 which is arranged on both sides in the vehicle width direction and supports the upper end of the spring of the front suspension; and a spring support part 14 which is arranged in the longitudinal direction of the vehicle body on both sides in the vehicle width direction, and whose front end 16A is the rear end of the front side member 12. 12A, a front pillar 18 which is arranged on both sides in the width direction of the vehicle body and whose lower end 18A is connected to the front end 16A of the rocker panel 16, and cowl side panels 20 arranged on both sides in the width direction of the vehicle body. In the structure of a cowl side portion of an automobile, the cowl side panel 20 is a substantially flat member, and extends from the setting position of the spring support portion 14 to the front pillar in a range from an outer position of the front side member 12 to the front pillar 18. Pillar 1
8 is continuously provided in the longitudinal direction and the vertical direction of the vehicle body, and the side wall 14 of the spring support portion 14
A is the front upper part 20 of the cowl side panel 20.
A is formed by protruding toward the engine room side,
The lower part 20B of the cowl side panel 20 and the front side member inner panel 22 form a closed cross section, and the rear part 20C of the cowl side panel 20 forms a closed section.
The front pillar outer panel 24 is configured to form a closed cross section. Note that the reference numeral 26 in the figure indicates a front fender apron. This front fender apron 26
is joined to the front part of the cowl side panel 20. At the bottom of this front fender apron 26 is the front side member inner panel 2.
2 are joined. Further, the reference numeral 28 in the figure indicates a cowl panel. Side wall 14A of the spring support portion 14
is formed to protrude toward the engine room so as to have a semicircular shape in cross section. This side wall 14
The upper end of A is bent horizontally to form a flange 14B. This flange 14
A suspension support plate 30 is welded to B. the front side member inner panel 22;
The front pillar outer panel 24 is bent into a hat shape in cross section, and its flange 22
It is joined to the cowl side panel 20 via A and 24A. The front end 16A of the rocker panel 16 is constructed by joining the rear lower part 20D of the cowl side panel 20, which functions as an inner panel, to the rocker outer panel 32, which has a generally hat-shaped cross section, through a flange 32A of the outer panel 32. As a result, the front side member 12
The rear end 12A of the rocker panel 16 and the front end 16 of the rocker panel 16
A refers to the rear lower part 2 of the cowl side panel 20.
They will be combined by sharing 0D. That is, specifically, the rear lower part 20D of the cowl side panel 20, which functions as an outer panel of the rear end 12A of the front side member 12, functions as an inner panel of the front end 18A of the rocker panel 18, so that the front side member 12 and The rocker panels 18 are combined. According to this embodiment, the cowl side panel 20 is a substantially flat member and is continuous in the vertical and front-back directions.
By welding the front side member inner panel 22, the front pillar outer panel 24, and the rocker outer panel 32 via the flanges 22A, 24A, and 32A, the front side member 12, rocker panel 16, and
The front pillar 18 is integrated, and as a result,
It is possible to improve the joint rigidity between the front body and the main body. Moreover, the bending load acting on the vehicle body can be borne by the rigidity of the front side member 12 and rocker panel 16 that are integrally connected, and the in-plane rigidity of the cowl side panel 20, which further strengthens the relationship between the front body and the main body. It is possible to improve the joint rigidity of Furthermore, since the side wall 14A of the spring support part 14 is formed by the front upper part 20A of the cowl side panel 20 protruding toward the engine room side, there is no need to provide a separate spring support part as in the past. The number of parts and installation man-hours can be reduced. Moreover, since the side wall 14A is constituted by the cowl side panel 20, the spring support section, which was conventionally considered a separate item, can be formed integrally with the cowl side panel 20. Since it is integrated with the front side member 12, the rocker panel 16, and the front pillar 18, the mounting rigidity of the spring support portion can be improved. In addition, the front side member 12 has an outer panel formed by the lower part of the cowl side panel 20, thereby reducing the number of parts.
It is possible to suppress an increase in vehicle weight. In particular, in the case of this embodiment, various panels 22 each having a hat-shaped cross section are attached to the plate-shaped cowl side panel 20.
24, 32 are the flanges 22A, 24A, 32
By welding through A, welding can be easily performed without creating a complicated welding surface shape, and welding workability can be improved. Therefore,
By improving welding workability, extra welding strength as designed can be obtained. Thereby, sufficient bonding rigidity can be obtained. Further, the front end 16A of the rocker panel 16 is connected to the rocker outer panel 32 and the cowl side panel 20.
By forming a closed cross section with the rear lower part 20D, the rear end 12A of the front side member 12 and the front end 16A of the rocker panel 16 are connected by sharing the rear lower part 20D of the cowl side panel 20. . Therefore, by forming the front side member 12 and the rocker panel 16 into a double closed cross-sectional structure, the joint rigidity thereof can be further improved.

[Effect of the idea]

As explained above, this invention has the advantage of simplifying the structure, improving the joint rigidity between the front body and the main body, improving welding workability, and reducing vehicle weight. Effects can be obtained.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an embodiment of the cowl side structure of an automobile according to this invention, Fig. 2 is an exploded perspective view of the same embodiment, Fig. 3 is a sectional view taken along the - line in Fig. 1, 4 is a sectional view taken along the line - in FIG. 1, and FIG. 5 is a perspective view showing the conventional cowl side structure. 10...Engine room, 12...Front side member, 14...Spring support part, 1
6...Rotsuka panel, 18...Front pillar,
20...Cowl side panel, 22...Front side member inner panel, 24...Front pillar outer panel.

Claims (1)

[Scope of claim for utility model registration] (1) Front side members disposed in the longitudinal direction of the vehicle on both sides in the width direction of the vehicle in the engine compartment;
a spring support part that is arranged on both sides in the width direction of the vehicle body and supports the upper end of a spring of the front suspension; and a rocker panel that is arranged in the longitudinal direction of the vehicle body on both sides in the width direction of the vehicle body and whose front end is connected to the rear end of the front side member. , a cowl side structure for an automobile including a front pillar arranged on both sides in the width direction of the vehicle body and whose lower end is connected to the front end of the rocker panel; and a cowl side panel arranged on both sides in the width direction of the vehicle body, the cowl side panel being , a substantially flat plate-shaped member, which is provided continuously in the longitudinal direction and the vertical direction of the vehicle body from the spring support part setting position to the front pillar in a range from the outer position of the front side member to the front pillar, and the spring support The side wall of the cowl side panel is formed by protruding the front upper part of the cowl side panel toward the engine room, and the lower part of the cowl side panel and the front side member inner panel form a closed cross section, and the rear and front side walls of the cowl side panel The pillar outer panel is a cowl side structure of an automobile that forms a closed cross section. (2) The cowl side structure of an automobile according to claim 1, wherein the front end of the rocker panel forms a closed section from the rocker outer panel and the rear lower part of the cowl side panel.